Motor holder and vehicle comprising such a motor holder

Abstract

The invention relates to a motor holder ( 3.1, 3.2, 3.3, 3.4 ) for fastening an electric motor ( 1 ) to a support frame ( 2 ) of a vehicle ( 10 ), wherein the support frame ( 2 ) preferably comprises two longitudinal members ( 2 b j , 2 b 2 ) which are spaced apart from each other and are interconnected via a plurality of cross members ( 2 a j , 2 a 2 , 2 a 3 , 2 a 4 ). The invention further relates to a vehicle ( 10 ) having a motor holder ( 3.1, 3.2, 3.3, 3.4 ) of this type. It is provided here that the motor holder ( 3.1, 3.2, 3.3, 3.4 ) comprises a first fastening region ( 3 a ) which is fastened to one of the longitudinal members ( 2 b j , 2 b 2 ); a second fastening region ( 3 b ) which is fastened to the electric motor ( 1 ) or to a support structure of the electric motor ( 1 ); and a spacer ( 3 c ) connecting the first and second fastening region ( 3 a, 3 b ), wherein the spacer ( 3 c ) spaces the second fastening region ( 3 b ) from the first fastening region ( 3 a ) in such a manner that the second fastening region ( 3 b ) is arranged below the longitudinal members ( 2 b j , 2 b 2 ) in the vertical direction H of the vehicle.

The invention claimed is: 
     
         1 . A vehicle having an electric motor, wherein the vehicle comprises a support frame which has two longitudinal members which are spaced apart from each other and which are connected together via a plurality of cross members; and wherein the electric motor is fastened by means of a holding device to the support frame;
 wherein the holding device comprises at least one motor holder having the following components:   a) a first fastening region which is fastened to one of the longitudinal members;   b) a second fastening region which is fastened to the electric motor or to a support structure of the electric motor; and   c) a spacer which connects the first and second fastening region and which spaces the second fastening region from the first fastening region in such a manner that the second fastening region is arranged below the longitudinal members in the vehicle vertical direction, and   wherein the vehicle comprises a traction battery module:
 wherein the traction battery module is fastened by means of the at least one motor holder to the support frame; or 
 wherein the at least one motor holder serves both for fastening the electric motor to the support frame and for fastening the traction battery module to the support frame. 
   
     
     
         2 . The vehicle as claimed in  claim 1 , wherein:
 the vehicle is a utility vehicle; or   the longitudinal members are C-shaped profile members; or   the at least one motor holder includes four motor holders.   
     
     
         3 . The vehicle as claimed in  claim 1 , wherein:
 the spacer has an extent of at least 10 cm in the vehicle vertical direction; or   the second fastening region is arranged at least 10 cm below the longitudinal members in the vehicle vertical direction.   
     
     
         4 . The vehicle as claimed in  claim 3 , wherein:
 the extent of the spacer is at least 15 cm in the vehicle vertical direction; or   the second fastening region is arranged at least 15 cm below the longitudinal members in the vehicle vertical direction.   
     
     
         5 . The vehicle as claimed in  claim 1 , wherein:
 the second fastening region is arranged at the height of the center of gravity of the electric motor in the vehicle vertical direction; or   the center of gravity of the electric motor is arranged below the longitudinal members in the vehicle vertical direction.   
     
     
         6 . The vehicle as claimed in  claim 1 , wherein the at least one motor holder is configured as a substantially L-shaped molded part, having a first limb and a second limb which is shorter in comparison with the first limb, wherein the first fastening region is arranged on the first limb and the second fastening region is arranged on the second limb. 
     
     
         7 . The vehicle as claimed in  claim 1 , wherein the traction battery module, the first fastening region of the at least one motor holder and the longitudinal member comprise through-openings which correspond to one another and in which fastening means which extend through the corresponding through-openings are received in each case for non-positively and/or positively fixing said components. 
     
     
         8 . The vehicle as claimed in  claim 1 , wherein:
 the traction battery module is fastened by means of the at least one motor holder via the first fastening region thereof to the support frame; or   the traction battery module, the first fastening region of the at least one motor holder and the longitudinal member comprise through-openings which correspond to one another and arranged in a grid pattern.   
     
     
         9 . The vehicle as claimed in  claim 1 , wherein:
 the first fastening region of the at least one motor holder is pinned and/or screwed and/or riveted between the longitudinal member and the traction battery module; or   the traction battery module is fastened on the vehicle exterior to the at least one motor holder; or   the traction battery module and the longitudinal member are fastened on opposing sides of the first fastening region of the at least one motor holder.   
     
     
         10 . The vehicle as claimed in  claim 1 , wherein:
 the first fastening region of the at least one motor holder is fastened on the vehicle exterior to one of the longitudinal members; or   the first fastening region of the at least one motor holder is fastened as closely as possible to the thrust center of one of the longitudinal members; or   the second fastening region of the at least one motor holder comprises a resilient bearing for damping vibrations.   
     
     
         11 . The vehicle as claimed in  claim 10 , wherein the resilient bearing is a rubber-metal buffer. 
     
     
         12 . The vehicle as claimed in  claim 1 , wherein the holding device comprises at least four motor holders, wherein at least two motor holders are fastened to each of the longitudinal members at mounting positions offset in the vehicle longitudinal direction. 
     
     
         13 . The vehicle as claimed in  claim 12 , wherein:
 the at least four motors are identically configured; or   a transverse spacing of the two longitudinal members is widened in a front region of the vehicle, wherein the first fastening regions of the motor holders in each case comprise at least one spacing compensating element, the respective extent thereof in the vehicle transverse direction being adapted to the transverse spacing of the respective longitudinal member at the corresponding mounting positions, such that the second fastening regions and/or the outer faces of all of the motor holders on a longitudinal member on the vehicle exterior are located at the same transverse spacing relative to the longitudinal central plane of the vehicle.   
     
     
         14 . The vehicle as claimed in  claim 13 , wherein:
 the respective spacing compensating elements are configured in the form of spacer sleeves; or   the outer faces of all of the motor holders form in some portions on a longitudinal member a planar bearing surface, which is perpendicular to the vehicle transverse direction, for at least one traction battery module.   
     
     
         15 . The vehicle as claimed in  claim 12 , further comprising at least two traction battery modules, wherein at least one traction battery module is fastened to each of the longitudinal members via at least two motor holders. 
     
     
         16 . A motor holder for fastening a motor to a support frame of a vehicle,
 wherein the motor holder is configured as a substantially L-shaped molded part having a first limb and a second limb;   wherein the first limb comprises a first fastening region for fastening the motor holder to the support frame of the vehicle; and   wherein the second limb comprises a second fastening region for fastening the motor holder to the motor or a support structure of the motor   wherein the first fastening region comprises a plurality of through-openings for receiving fastening means, the plurality of through-openings of the first fastening region are concentrically surrounded in each case by spacer sleeves, the spacing between the first limb and the support frame being able to be set via the length thereof when fastening the motor holder to the support frame of the vehicle.   
     
     
         17 . The motor holder as claimed in  claim 16 , wherein:
 the motor is an electric motor; or   the second limb is shorter in comparison with the first limb.   
     
     
         18 . The motor holder as claimed in  claim 16 , wherein
 the second fastening region comprises a resilient bearing.   
     
     
         19 . The motor holder as claimed in  claim 18 , wherein:
 the plurality of through-openings of the first fastening region run parallel to one another; or   the fastening means are pins, screws, or rivets; or   the resilient bearing is in the form of a rubber-metal buffer.   
     
     
         20 . A vehicle having an electric motor, wherein the vehicle comprises a support frame which has two longitudinal members which are spaced apart from each other and which are connected together via a plurality of cross members; and wherein the electric motor is fastened by means of a holding device to the support frame;
 wherein the holding device comprises at least one motor holder having the following components:   a) a first fastening region which is fastened to one of the longitudinal members;   b) a second fastening region which is fastened to the electric motor or to a support structure of the electric motor; and   c) a spacer which connects the first and second fastening region and which spaces the second fastening region from the first fastening region in such a manner that the second fastening region is arranged below the longitudinal members in the vehicle vertical direction, and   wherein:
 the second fastening region comprises a resilient bearing for damping vibrations, the resilient bearing being a rubber-metal buffer; or 
 the holding device comprises at least four motor holders, wherein at least two motor holders are fastened to each of the longitudinal members at mounting positions offset in the vehicle longitudinal direction.